descreen definition: Verb (third-person singular simple present descreens, present participle descreening, simple past and past participle descreened) 1. to remove MoirÃ©-pattern artifacts when scanning half-toned printed imagesThis software option is...
Sunlight Photosynthesis: 6CO 2 + H 2 6 H 12 O 6 + 6O 2 In the above reaction, sunlight supplies the energy to convert carbon dioxide and water to glucose and oxygen.Hydrothermal vents, which are hot springs on the sea floor, support exotic chemical-based ecosys-tems.
Hydrothermal vents-black smokers, white smokers and warm water vents-are areas on the sea floor where water heated by volcanic activity under the seabed gushes out. Unusually, the animal communities down here don't use the sun to get their energy.